Mathematics, 11.11.2019 02:31, hixoxo

The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total calling time (in minutes). the monthly cost for 50 minutes of calls is $12.55 and the monthly cost for 102 minutes is $17.23. what is the monthly cost for 101 minutes of calls?

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The monthly cost (in dollars) of a long-distance phone plan is a linear function of the total callin...